Issei Kato/Reuters
If you're elderly, it can mean crushing loneliness.
But no matter your age in Japan, chances are good that some aspect of the country's ongoing fertility crisis has touched your life.
Over the last five years, a vicious cycle of low fertility and low consumer spending has led to trillions in lost GDP and a population decline of 1 million people. Economists have a bleak term for this: demographic time bomb.
These time bombs can take years, sometimes decades to form, and perhaps even longer to defuse. Here's a taste of what Japan's looks like, as it stands today.